Dad of 3 & born-again mathematician. Statistician, economist, fellow actuary & data addict. Professor & researcher in Montréal 🇨🇦. Previously in Kyoto 京都 🇯🇵, Paris 🇫🇷, Hong Kong 🇭🇰, Leuven 🇧🇪 & Rennes 🇫🇷. Full of 'satiable curtiosity.https://bsky.app/profile/freakonometrics.bsky.socialhttps://bsky.app/profile/freakonometrics.bsky.social/post/3muzkatxpv22nIstanbul, Summer 202608 Sep 2026 17:27 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3muzkatxpv22nhttps://bsky.app/profile/freakonometrics.bsky.social/post/3muyfbayo5s24www.kplx.art08 Sep 2026 06:25 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3muyfbayo5s24https://bsky.app/profile/freakonometrics.bsky.social/post/3murrwi56bs24Madrid, España, Summer 202605 Sep 2026 15:23 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3murrwi56bs24https://bsky.app/profile/freakonometrics.bsky.social/post/3munjhmtt4s2fSegovia, España, Summer 202603 Sep 2026 22:41 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3munjhmtt4s2fhttps://bsky.app/profile/freakonometrics.bsky.social/post/3mukvg3frec2yRennes, Roazhon, #bzh Summer 202602 Sep 2026 21:37 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3mukvg3frec2yhttps://bsky.app/profile/freakonometrics.bsky.social/post/3mufm4qkbf22mParis, Summer 202631 Aug 2026 19:08 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3mufm4qkbf22mhttps://bsky.app/profile/freakonometrics.bsky.social/post/3muaoez2f522m"Comment, du XIXe siècle à nos jours, les alertes scientifiques sur le dérèglement climatique ont été ignorées, sous la pression des milieux politiques et économiques. Éclairant notre présent en péril, un exposé historique implacable, nourri de témoignages d'experts" https://www.arte.tv/fr/videos/118858-005-A/les-questions-qui-fachent/29 Aug 2026 20:05 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3muaoez2f522mhttps://bsky.app/profile/freakonometrics.bsky.social/post/3mu5fpgbu4c2w"If you see two ants in your kitchen, you don't have a two ants problem..." https://www.youtube.com/watch?v=locKEKxG3os and https://www.nytimes.com/2026/08/18/opinion/ezra-klein-podcast-helen-toner.html for the transcript28 Aug 2026 12:51 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3mu5fpgbu4c2whttps://bsky.app/profile/freakonometrics.bsky.social/post/3mu3k6amt422m"Gender-Dependent Diagnostic Substitution in LLM Medical Triage: Same Symptoms, Unequal Urgency" arxiv.org/abs/2606.0364127 Aug 2026 19:06 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3mu3k6amt422mhttps://bsky.app/profile/freakonometrics.bsky.social/post/3mtxagyeto22n"The Return of a Discredited Pseudoscience" https://nautil.us/the-return-of-a-discredited-pseudoscience-128387326 Aug 2026 02:01 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3mtxagyeto22nhttps://bsky.app/profile/freakonometrics.bsky.social/post/3mtwmr74o322e"As extreme heat overwhelms the Continent’s great cities, they are racing to transform themselves for a climate that they were never built to withstand." https://www.newyorker.com/magazine/2026/08/24/the-end-of-the-european-summer25 Aug 2026 20:09 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3mtwmr74o322ehttps://bsky.app/profile/freakonometrics.bsky.social/post/3mtumr5ynhs2c"Beyond Zipf’s Law: Equifinality and Mechanistic Inference from Scaling Laws" freakonometrics.hypotheses.org/91196 (see arxiv.org/abs/2608.09459, inspired by “Whale song shows language-like statistical structure” https://spj.science.org/doi/10.1016/j.csbj.2024.04.012) https://freakonometrics.hypotheses.org/9119625 Aug 2026 01:04 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3mtumr5ynhs2chttps://bsky.app/profile/freakonometrics.bsky.social/post/3mtumox4s6k2c"Some study rivers that deviate from Hack’s law. Others organize transport networks that follow Hack’s law into one class of optimal transport networks, among a whole family of them" quantamagazine.org/why-are-rivers-so-mathematical-20260810/ (see science.org/doi/10.1126/science.ady6805) https://quantamagazine.org/why-are-rivers-so-mathematical-20260810/25 Aug 2026 01:02 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3mtumox4s6k2chttps://bsky.app/profile/freakonometrics.bsky.social/post/3mtumaqkols2p« Nous sommes entrés dans un monde fini et incertain, dans lequel les données du passé ne suffisent plus à penser le futur » (voir aussi "Prévoir sans précédent" freakonometrics.hypotheses.org/91153) https://www.lemonde.fr/idees/article/2026/08/22/changement-climatique-nous-sommes-entres-dans-un-monde-fini-et-incertain-dans-lequel-les-donnees-du-passe-ne-suffisent-plus-a-penser-le-futur_6753508_3232.html https://freakonometrics.hypotheses.org/9115325 Aug 2026 00:55 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3mtumaqkols2phttps://bsky.app/profile/freakonometrics.bsky.social/post/3mtq5c6fhwk2xIn one week, I will be on my way to Europe, with Paris, Rennes (https://intelligence-artificielle.univ-rennes.fr/semaine-ia-2026), Segovia - Madrid (cci26.climateinsure.tech) and Istanbul (eaj2026istanbul.org) on the agenda23 Aug 2026 06:16 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3mtq5c6fhwk2xhttps://bsky.app/profile/freakonometrics.bsky.social/post/3mtlpwm6ohc26"When urban flood models disagree: hydrological equifinality as actuarial model risk" https://link.springer.com/article/10.1007/s13385-026-00467-621 Aug 2026 12:06 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3mtlpwm6ohc26https://bsky.app/profile/freakonometrics.bsky.social/post/3mtlphxtnik26"Criminal records, the right to be forgotten, and inclusive insurance: risk, rehabilitation, and data governance in underwriting" https://link.springer.com/epdf/10.1057/s41288-026-00392-5?sharing_token=pa499AloAp0Ztz5Kza8oslxOt48VBPO10Uv7D6sAgHs4td7GPmKC9pJqf1icoSoQ9TzM_HW-ZXPOL1w8QnvMIiRC27b4JmTl3gOPba_QiyaX1ckUFXg90aGvUkhr-gXHN9pqzpfu4DSuhGEfEX0r5xsCXOjAaUVftBICbegCVK8%3D21 Aug 2026 11:58 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3mtlphxtnik26https://bsky.app/profile/freakonometrics.bsky.social/post/3mtlp3rn45s24(back in) Canada, Summer 202621 Aug 2026 11:51 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3mtlp3rn45s24https://bsky.app/profile/freakonometrics.bsky.social/post/3msbnjjsmlk2d"La société au prix du risque: Assurance, algorithmes et climat à l’âge de la prédiction" https://freakonometrics.github.io/risk-priced-society/fr/ en open review et entièrement disponible jusqu'à la fin de l'année (aussi disponsible en pdf)04 Aug 2026 18:32 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3msbnjjsmlk2dhttps://bsky.app/profile/freakonometrics.bsky.social/post/3mt63exnrks2h"AI finds a way" https://www.economist.com/the-world-this-week/2026/08/13/cartoon-ai-finds-a-way16 Aug 2026 01:54 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3mt63exnrks2hhttps://bsky.app/profile/freakonometrics.bsky.social/post/3mt3kggsvck25Chloé ledevoir.com/photos/galeries-photos/les-caricatures-de-godin-et-de-chloe/2494511 😍15 Aug 2026 01:45 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3mt3kggsvck25https://bsky.app/profile/freakonometrics.bsky.social/post/3mt27fsgon22t"Tempêtes qui se répètent, primes qui s’envolent, retraits d’assureurs : à l’heure du dérèglement climatique, une question se pose : qui règlera, in fine, la note ?" https://theconversation.com/a-la-fin-qui-prendra-en-charge-le-cout-des-assurances-26161014 Aug 2026 12:55 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3mt27fsgon22thttps://bsky.app/profile/freakonometrics.bsky.social/post/3mswhf44yms2t"Beyond Zipf’s Law: Equifinality and Mechanistic Inference from Scaling Laws" freakonometrics.hypotheses.org/91196 and arxiv.org/abs/2608.09459 https://freakonometrics.hypotheses.org/9119613 Aug 2026 01:08 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3mswhf44yms2thttps://bsky.app/profile/freakonometrics.bsky.social/post/3msvpis2s4s2zéclipse très partielle sur Montréal12 Aug 2026 18:00 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3msvpis2s4s2zhttps://bsky.app/profile/freakonometrics.bsky.social/post/3msrlms7kj22l"Prévoir sans précédent: De l’actuariat contemplatif à l’actuariat prédictif" freakonometrics.hypotheses.org/91153 https://freakonometrics.hypotheses.org/9115311 Aug 2026 02:40 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3msrlms7kj22lhttps://bsky.app/profile/freakonometrics.bsky.social/post/3msjwmwm3hk2sOpportunités de stages de recherche https://www.mitacs.ca/our-programs/globalink-research-internship-students/ On propose d'accueillir 3 stagiaires à Montréal, le printemps-été prochain. Date limite pour appliquer, le 16 septembre 2026 (après, ça sera trop tard) globalink.mitacs.ca#/student/app...08 Aug 2026 01:36 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3msjwmwm3hk2shttps://bsky.app/profile/freakonometrics.bsky.social/post/3msjvtisr722v"Le sociologue Benoit Giry estime, dans une tribune au « Monde », que la multiplication des incendies et des canicules ne suffira pas à réorienter les politiques publiques. Seul un travail politique de longue haleine le pourrait." https://www.lemonde.fr/idees/article/2026/07/29/les-catastrophes-climatiques-ne-produisent-pas-mecaniquement-plus-de-prevenance-a-l-egard-du-monde_6736008_3232.html08 Aug 2026 01:22 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3msjvtisr722vhttps://bsky.app/profile/freakonometrics.bsky.social/post/3msevap3wqk24"Prediction Markets Let You Bet on Whether a Wildfire Will Burn Down Your Town" https://www.wired.com/story/prediction-markets-let-you-bet-wildfire/06 Aug 2026 01:28 +0000at://did:plc:mdfvx2u4rpb2bdune6aqoidz/app.bsky.feed.post/3msevap3wqk24